Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

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About Add-on Badges

About Add-on Badges

You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.

Secure connection and security warning error pages in Firefox

Secure connection and security warning error pages in Firefox

If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.

Fix error “Website will not allow Firefox to display the page.”

Fix error “Website will not allow Firefox to display the page.”

Learn why Firefox may block a page embedded by another site, and what you can do to open it.

Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.

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